The Calendar hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Zeckendorf Representation in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 76th cros107 🇦🇺 898 119 11ms 3 Jul 2024 76th DialFrost 🇸🇬 898 119 30ms 3 Jul 2024 76th SirBogman 🇺🇸 898 119 18ms 4 Jul 2024 76th thatbirdguythatuknownot 898 119 12ms 5 Jul 2024 76th firegene 🇮🇪 898 119 13ms 1 Aug 2024 76th bricknellj 898 119 11ms 23 May 2025 87th MeWhenI 🇻🇦 897 39 49ms 2 Jul 2024 88th DialFrost 🇸🇬 897 63 2ms 20 Dec 2024 89th duckyluuk 🇳🇱 897 99 505ms 3 Jul 2024 90th Steffan153 🇫🇮 896 62 196ms 1 Jul 2024 91st DialFrost 🇸🇬 896 81 727ms 9 Nov 2025 92nd DialFrost 🇸🇬 895 125 456ms 24 Sep 2025 92nd sean-niemann 🇺🇸 895 125 458ms 24 Sep 2025 92nd nwellnhof 🇩🇪 895 125 578ms 25 Sep 2025 92nd JayXon 🇺🇸 895 125 464ms 26 Sep 2025 92nd stefangimmillaro 895 125 477ms 6 Oct 2025 92nd MeWhenI 🇻🇦 895 125 447ms 7 Nov 2025 98th xsot 🇸🇬 894 79 6ms 26 Apr 2025 99th lifthrasiir 🇰🇷 893 42 2ms 29 Nov 2024 100th sean-niemann 🇺🇸 893 122 414ms 6 Jul 2024 100th snyderek 🇺🇸 893 122 424ms 17 Dec 2024 102nd MeWhenI 🇻🇦 892 67 30ms 1 Jul 2024 103rd ovs-code 🇩🇪 892 79 321ms 8 Jul 2024 104th JayXon 🇺🇸 892 95 2ms 7 Jul 2024 105th error256 891 120 11ms 1 Jul 2024 105th rschwa6308 🇺🇸 891 120 11ms 11 Jul 2024 105th lifthrasiir 🇰🇷 891 120 54ms 2 Dec 2024 105th ahmetdemirag 🇨🇾 891 120 30ms 13 Feb 2025 105th albanian-laundromat 891 120 12ms 31 Jul 2025 105th CornerMercury 🇬🇧 891 120 33ms 11 days ago 111th JayXon 🇺🇸 890 97 100ms 7 Jul 2024 111th Shanethegamer 🇺🇸 890 97 101ms 16 Sep 2024 113th JayXon 🇺🇸 889 111 2ms 6 Jul 2024 114th ovs-code 🇩🇪 888 100 523ms 2 Jul 2024 114th pardouin 🇫🇷 888 100 736ms 3 Jul 2024 116th JayXon 🇺🇸 888 153 273ms 4 Jul 2024 116th emplv 🇱🇻 888 153 317ms 4 Jul 2024 118th JayXon 🇺🇸 886 115 383ms 5 Jul 2024 118th tomtheisen 🇺🇸 886 115 388ms 7 Nov 2024 120th kumavale 886 150 156ms 28 Nov 2025 121st sean-niemann 🇺🇸 885 82 754ms 23 Oct 2025 122nd JayXon 🇺🇸 884 74 38ms 6 Jul 2024 123rd GrayJoKing 🇦🇺 884 95 89ms 17 Aug 2024 123rd mousetail 🇳🇱 884 95 19ms 28 Sep 2024 123rd ovs-code 🇩🇪 884 95 9ms 10 Oct 2024 126th albanian-laundromat 883 64 3ms 7 days ago 127th snoozingnewt 🇨🇦 883 97 73ms 22 Nov 2025 127th DialFrost 🇸🇬 883 97 83ms 22 Nov 2025 129th nwellnhof 🇩🇪 882 154 277ms 10 Jul 2024 130th MeWhenI 🇻🇦 881 99 20ms 16 Dec 2024 130th GrayJoKing 🇦🇺 881 99 21ms 3 Feb 2025 132nd kg583 🇺🇸 881 115 20ms 18 May 2025 133rd Shanethegamer 🇺🇸 881 123 8ms 12 Sep 2024 134th saito-ta 🇯🇵 880 72 2ms 2 Jul 2024 135th JayXon 🇺🇸 880 116 3,380ms 25 Jan 2025 136th JayXon 🇺🇸 880 151 150ms 29 Nov 2025 137th lynn 879 129 135ms 2 Jul 2024 138th namelessiw 878 116 435ms 20 Jun 2025 139th tailorspy 878 124 397ms 10 Jul 2024 139th KasperKivimaeki 🇫🇮 878 124 428ms 28 Nov 2025 141st JayXon 🇺🇸 878 132 99ms 5 Jul 2024 141st Shanethegamer 🇺🇸 878 132 102ms 13 Sep 2024 143rd JayXon 🇺🇸 877 106 107ms 24 May 2025 144th CaedenHarper 🇨🇦 876 122 11ms 2 Sep 2024 144th Bulmenisaurus 876 122 10ms 9 Oct 2024 144th solisolu 876 122 11ms 9 Nov 2025 147th emgordon154 875 40 61ms 21 Nov 2025 148th JayXon 🇺🇸 874 131 342ms 6 Jul 2024 148th Shanethegamer 🇺🇸 874 131 364ms 13 Sep 2024 150th pardouin 🇫🇷 873 75 37ms 25 Aug 2025 151st GrayJoKing 🇦🇺 873 91 874ms 6 Jul 2024 152nd DialFrost 🇸🇬 873 100 20ms 15 Dec 2024 153rd IanUtley 873 105 15ms 1 Jul 2024 153rd GrayJoKing 🇦🇺 873 105 15ms 3 Jul 2024 155th Shanethegamer 🇺🇸 873 117 3,253ms 25 Oct 2024 156th Shanethegamer 🇺🇸 872 115 4ms 13 Sep 2024 157th Steffan153 🇫🇮 872 130 133ms 1 Jul 2024 157th ovs-code 🇩🇪 872 130 161ms 2 Jul 2024 159th JayXon 🇺🇸 871 99 2ms 7 Jul 2024 160th MeWhenI 🇻🇦 871 117 344ms 19 Jun 2025 First Prev 81–160 of 684 Next Last